【单选题】Children are a relatively modem invention. Until a few hundred years ago they did not exist. In medieval and Renaissance painting you see pint-sized men and women, wearing grown-up clothes and grown-u...
A.
adults were smaller and smaller now because they had many things to do
B.
adults expressed less concern for their children
C.
children looked and acted like adults at that time
D.
children were not allowed to appear in family paintings